CN107005812A - Mobile body communication system, car-mounted terminal - Google Patents

Mobile body communication system, car-mounted terminal Download PDF

Info

Publication number
CN107005812A
CN107005812A CN201580066219.4A CN201580066219A CN107005812A CN 107005812 A CN107005812 A CN 107005812A CN 201580066219 A CN201580066219 A CN 201580066219A CN 107005812 A CN107005812 A CN 107005812A
Authority
CN
China
Prior art keywords
service
mentioned
terminal
information
communication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201580066219.4A
Other languages
Chinese (zh)
Other versions
CN107005812B (en
Inventor
山城贵久
隈部正刚
木田直之
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Original Assignee
Denso Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Denso Corp filed Critical Denso Corp
Publication of CN107005812A publication Critical patent/CN107005812A/en
Application granted granted Critical
Publication of CN107005812B publication Critical patent/CN107005812B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/025—Services making use of location information using location based information parameters
    • H04W4/027—Services making use of location information using location based information parameters using movement velocity, acceleration information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/02—Access restriction performed under specific conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Traffic Control Systems (AREA)

Abstract

The present invention provides mobile body communication system.Trackside machine (2) issues the WSA of the subject vehicle information in the region (service provision area) of the offer object comprising the service that is denoted as using control channel.If vehicle carried device (1) receives WSA, then service object's determination unit (F5) is according to the position relationship of the current location of vehicle carried device (1) and the service provision area shown in the WSA, judge vehicle carried device (1) whether be the service that issue source is provided object.Moreover, in the case where service object's determination unit (F5) judges vehicle carried device (1) car-mounted terminal not as the object of service, vehicle carried device (1) does not begin to use service channel with issue source communication.

Description

Mobile body communication system, car-mounted terminal
Technical field
The application is based on Japanese patent application 2014-264418 filed in 26 days December in 2014, here by the disclosure Quoted as reference.
The present invention relates to the communication terminal (i.e. car-mounted terminal) for being equipped on vehicle and the communication terminal that is arranged at road and It is equipped on the mobile body communication system of either one implementation radio communication of the car-mounted terminal of other vehicles and in the movement The car-mounted terminal used in body communication system.
Background technology
Non-patent literature 1 defines the communication terminal (hereinafter referred to as car-mounted terminal) for being equipped on vehicle and other vehicle-mounted ends Hold, be arranged at specification i.e. WAVE (Wireless Accessin during communication terminal (hereinafter referred to as trackside machine) communication of road Vehicular Environment) communication construction.
The service serviced as defined in being provided according to the non-patent literature 1, car-mounted terminal and such as trackside machine provides source capsule The communication terminal (be referred to as service providing terminal) of reason is communicated using control channel, service channel both channels.
Service channel is the letter used in for receiving and transmitting signal of information of the offer of service implementation (and enjoyment) etc. Road.In addition, control channel is to use the communication of service channel for starting car-mounted terminal and service providing terminal to issue Information (WSA：Wave Service Advertisement) etc. and the channel that uses.Prepare multiple to use as service channel Frequency, WSA, which is included, represents the class of service information for the type service that the issue source of the WSA is provided, for determining in the service The channel information of the service channel (i.e. frequency) used in offer.
Service providing terminal broadcasts WSA corresponding with the service of this terminal offer using control channel successively, such as in pin In the case of there is the response from car-mounted terminal to the WSA, begin to use the communication of the car-mounted terminal and service channel.
Car-mounted terminal implements processing corresponding with the class of service information contained by the WSA in the case where receiving WSA.I.e. With reference to the WSA received class of service information, the species of the service provided in the issue source of the WSA is that this terminal can be utilized Service species in the case of, open the defined service channel shown in the WSA that this receives.Here opening service channel The issue source referred to the WSA have come to uses the communication of defined service channel.On the other hand, the WSA received issue In the case that the species for the service that source is provided is not the species for the service that this terminal can be utilized, beating for service channel is not implemented Open.
In addition, the service enjoyed as car-mounted terminal (or user of the car-mounted terminal), it is considered to carry out for shop etc. Service, the service (clearing service) of the clearing of the handing-over of commodity etc..
Non-patent literature 1：IEEE1609.0(Guide for Wireless Access in Vehicular Environment)
Service providing terminal issue WSA region is generally preferably formed as the vehicle with the object of the offer as the service The region that (being strictly speaking car-mounted terminal) passes through is consistent.However, the WSA of service providing terminal issue may not be accommodated in and be used as this In the region that the vehicle of the object of the offer of service passes through.For example consider the WSA from service providing terminal transmission by oversize vehicle The reflection such as car body and reach the region (such as opposed track) of the vehicle traveling for the object for not being service.As a result, in the presence of Even the service that this terminal can be utilized, car-mounted terminal can also receive the situation with the corresponding WSA of unwanted service.
For example have in the vehicle with being equipped with this terminal (hereinafter referred to as originally with the corresponding WSA of the unwanted service of this terminal Car) traveling track different track (such as opposed track) traveling the automobile-used service of offer service providing terminal issue WSA etc..
In conventional structure, the class of service information with reference to contained by car-mounted terminal WSA judges whether that the WSA institutes should be opened The service channel shown.Therefore, car-mounted terminal is even in receiving the situation with the original corresponding WSA of unwanted service of this terminal Under, in the case that the species of the service shown in the WSA is the species for the service that this terminal can be utilized, it can also open the WSA Shown service channel.Assume that car-mounted terminal can open the situation with the corresponding service channel of the unwanted service of this terminal.
However, the communication of the service providing terminal of the offer service and car-mounted terminal such as further contemplating clearing service is steady The qualitative service being taken seriously.Therefore, for the stability of the communication that improves car-mounted terminal and service providing terminal, it is also contemplated that in car In the case that mounted terminal is once opened with the corresponding service channel of defined service, in the communication of the communication sequence according to regulation End processing can not open the mode of other service channels before terminating (comprising time-out etc.).
In this embodiment, receive and this terminal corresponding WSA of unwanted service and open in car-mounted terminal In the case of service channel for the unwanted service, other clothes can not be opened before the end processing of the communication terminates Business channel.Moreover, worrying to be used for this end due to opening to lead to not open for the service channel of the unwanted service of this terminal The service channel of the service needed originally, or the opening of service channel is held to postpone.
The content of the invention
An object of the present invention, which is to provide, can suppress car-mounted terminal and start with providing this terminal unwanted service The mobile body communication system and car-mounted terminal of the communication of the use service channel of service providing terminal.
The mobile body communication system of the viewpoint of the present invention possesses：At least one car-mounted terminal for being used in vehicle, Implement radio communication with car-mounted terminal to implement for providing a series of defined processing serviced at least to car-mounted terminal One service providing terminal, wherein, service providing terminal possesses：Side service channel communication unit is provided, it uses pre-assigned Some in multiple service channels is implemented for providing the communication serviced with car-mounted terminal；Communicated with side control channel is provided Portion, it uses pre-assigned control channel different from service channel, issues communication for beginning to use service channel Information that is, service start to use information, and service starts with class of service information of the packet containing the species for representing service, received The service starts to be used to determine to be used in service providing terminal and car-mounted terminal in multiple service channels with the car-mounted terminal of information Communication service channel service channel information and be denoted as service object car-mounted terminal condition object it is whole Client information, car-mounted terminal possesses：Vehicle-mounted side control channel communication unit, it is implemented using control channel and service providing terminal Communication, at least receives service and starts to use information；Vehicle-mounted side service channel communication unit, it is used in multiple service channels according to vehicle-mounted The service that side control channel communication unit is received starts the service channel determined with the service channel information contained by information, with service Terminal is provided and implements communication；Service memory portion, it stores the species for the service that this terminal can be utilized；Type service determination unit, The service that this terminal that its class of service information and service storage part according to contained by starting with information service is stored can be utilized Species, judge whether the service that service providing terminal is provided is service that this terminal can be utilized；Judgement information acquiring section, It obtains judgement information, and the judgement is to be used to judge whether this terminal is conduct with the information that information is for this terminal The information of the car-mounted terminal of the object of service for service providing terminal；And service object's determination unit, it is according to clothes Business starts the judgement information obtained with the object end message contained by information and judgement with information acquiring section, judges this terminal Whether be object as service car-mounted terminal, vehicle-mounted side service channel communication unit judges that service is carried in type service determination unit The service provided for terminal is the service that this terminal can be utilized, and service object's determination unit judges that this terminal is as service Object car-mounted terminal in the case of, begin to use it is service channel with service providing terminal communication, on the other hand, in clothes In the case that business species determination unit judges that the service that service providing terminal is provided is not the service that this terminal can be utilized, or clothes In the case that business object determination unit judges car-mounted terminal of this terminal not as the object of service, do not begin to use service channel The communication with service providing terminal and constitute.
In structure more than, service providing terminal includes class of service information, service channel using control channel issue Service including information, object end message starts to use information.On the other hand, if car-mounted terminal receives service and starts to use information, Then the information of type service determination unit and service object's determination unit according to contained by starting with information the service various judge.
More specifically, type service letter of the type service determination unit according to contained by the service start information that this is received Breath, judges issuing the service starts with the service that the service providing terminal (hereinafter referred to as issue source) of information is provided whether to be this end Hold the service that can be utilized.
In addition, object end message and judgement information of service object's determination unit according to contained by starting with information service Obtaining section obtain judgement information, judge this terminal whether be issue source provide service object.
In addition, object end message represent as service object car-mounted terminal condition can for example use it is vehicle-mounted Positional information, direct of travel, travel speed of terminal etc..If using car in the condition of the car-mounted terminal of the object as service In the case of the positional information of mounted terminal, object end message is that the region for the offer for representing service implementation (is set to service to provide Region) information.
In this case, judgement obtains the current location of this terminal with information acquiring section, and service object's determination unit is at this end In the case that end is present in service provision area, judge that this terminal is the object of the service, and be present in service in this terminal In the case of providing outside region, it is not the object of the service to judge this terminal.
Moreover, vehicle-mounted side service channel communication unit judges object of this terminal not as service in service object's determination unit Car-mounted terminal in the case of, do not begin to use service channel with service providing terminal communication.
I.e. car-mounted terminal starts feelings with information even in receiving the corresponding service of service that can be utilized with this terminal Under condition, also it can not begin to use service channel in the case where service object's determination unit judges that this terminal is not the object of the service The communication with service providing terminal.
Here, object end message is the information of the condition of the car-mounted terminal for the object for being denoted as service, so in clothes In the case that business object determination unit judges the object that this terminal is not the service, start with the service received corresponding with information The possibility for servicing the service being not required to for this terminal is very high.
Therefore, the structure more than, can suppress the clothes that car-mounted terminal starts and provides the unwanted service of this terminal Business provides the communication of the use service channel of terminal.
Even if in addition, assuming to make car-mounted terminal turn into once the use service channel with a certain service providing terminal It can not start according to defined communication sequence to make with other service providing terminals before the sign off in the case of communication In the case of mode with the communication of other service channels, the structure more than, it is also difficult to start for this terminal not The communication of the use service channel of the service needed.Therefore, it is possible to reduce due to receiving service corresponding with unwanted service Start to be used in the worry for starting to postpone or can not start of the communication of the service needed originally with information.
In addition, the car-mounted terminal of the viewpoint of the present invention is used in vehicle, pass through the clothes with providing defined service Business provides terminal (2) and implements radio communication to implement a series of processing for enjoying service, wherein, possess：Vehicle-mounted side control Channel communication portion (F11), it implements the communication with service providing terminal using pre-assigned control channel, and reception is carried from service The service issued for terminal starts information；With vehicle-mounted side service channel communication unit (F12), it uses different from control channel Some in pre-assigned multiple service channels, implements communicate, service starts with packet containing table with service providing terminal Show that the class of service information of the species for the service that service providing terminal is provided, car-mounted terminal are used to determine sharp in multiple service channels For the service channel of the communication of service providing terminal and car-mounted terminal service channel information and be denoted as service pair The object end message of the condition of the communication terminal of elephant, car-mounted terminal is also equipped with：Service memory portion (11M), it stores this terminal The species for the service that can be utilized；Type service determination unit (F3), it starts to be believed with the type service contained by information according to service The species for the service that breath and this terminal of service storage part storage can be utilized, judges that the service that service providing terminal is provided is No is the service that this terminal can be utilized；Judge to use information acquiring section (F4), it obtains judgement information, the judgement is with information For the information of this terminal, and it is for judging whether this terminal is object as the service for service providing terminal Communication terminal information；And service object's determination unit (F5), it starts to be believed with the object terminal contained by information according to service Whether the judgement information that breath and judgement are obtained with information acquiring section, it is whole as the communication of the object of service to judge this terminal End, vehicle-mounted side service channel communication unit judges that the service that service providing terminal is provided is that this terminal can in type service determination unit The service utilized, and in the case that service object's determination unit judges that this terminal is the communication terminal as the object of service, open Begin using the service channel for being started to be determined with the service channel information contained by information according to service in multiple service channels and clothes Business provides the communication of terminal, on the other hand, judges that the service that service providing terminal is provided is not this end in type service determination unit In the case of holding the service that can be utilized, or service object's determination unit judges communication of this terminal not as the object of service In the case of terminal, do not begin to use the communication with service providing terminal of service channel and constitute.
The car-mounted terminal possesses the knot for being acted as the car-mounted terminal used in above-mentioned mobile body communication system Structure.Structure i.e. more than, can be played and above-mentioned mobile body communication system identical effect.
By referring to the following detailed description of accompanying drawing, above-mentioned and other purpose of the invention, feature, advantage are brighter Really.
Brief description of the drawings
Fig. 1 is the block diagram of the brief configuration for the mobile body communication system for representing embodiment.
Fig. 2 is the figure for illustrating the flow for the communication that trackside machine is implemented.
Fig. 3 is the block diagram of an example of the brief configuration for representing trackside control unit.
Fig. 4 is the figure of an example of the brief configuration for representing WSA.
Fig. 5 is the block diagram of an example of the brief configuration for representing control unit.
Fig. 6 is the flow chart for illustrating the WSA reception relevant treatments that control unit is implemented.
Fig. 7 is the figure for illustrating embodiment action and effect.
Fig. 8 is for illustrating the action of variation 1 and the figure of effect.
Fig. 9 is for illustrating the action of variation 2 and the figure of effect.
Embodiment
Accompanying drawing used below illustrates embodiment.Fig. 1 is the letter for the mobile body communication system 100 for representing present embodiment Want the figure of an example of structure.As shown in figure 1, mobile body communication system 100 possesses the communication terminal i.e. road set along road Side machine 2 and the communication terminal i.e. vehicle carried device 1 for being equipped on vehicle.Vehicle carried device 1 is equivalent to car-mounted terminal.
In addition, a trackside machine 2 is only shown for the sake of convenient in Fig. 1, but the entirety of mobile body communication system 100 can possess many Individual trackside machine.Vehicle carried device 1 is equipped on each of multiple vehicles.Therefore, mobile body communication system 100 is overall possesses multiple vehicle-mounted Device 1.After, communication terminal is referred to as in the case where not distinguishing vehicle carried device 1 and trackside machine 2.
WAVE (the Wireless Accessin Vehicular that vehicle carried device 1 and trackside machine 2 are recorded according to non-patent literature 1 Environment specification), implements known road inter-vehicle communication.In addition, vehicle carried device 1 can also implement with other vehicle carried devices 1 according to According to the car inter-vehicle communication of WAVE specification.The region for being capable of radio communication for each communication terminal (is hereinafter referred to as channel radio Letter region) it is suitably designed.
The communication terminal (i.e. vehicle carried device 1 and trackside machine 2) possessed in mobile body communication system 100 is set with respectively to be used for The identification coding (Termination ID) of multiple communication terminals is recognized respectively.In addition, the packet that each communication terminal is sent is whole containing the transmission The Termination ID at end, receiving the communication terminal of data can determine to send terminal according to the Termination ID contained by the data.
In addition, each communication terminal is implemented road inter-vehicle communication, car workshop and led to using pre-assigned frequency (also referred to as channel) Letter.More specifically, the communication (i.e. road inter-vehicle communication) of vehicle carried device 1 and trackside machine 2 is by using control channel and multiple services Some of channel is implemented.
Control channel is the channel for carrying out broadcast communication.Control channel using trackside machine 2 for example for being issued for starting The message of the communication of service channel is WSA (Wave Service as defined between vehicle carried device 1 and trackside machine 2 Advertisement) etc..
Service channel is the channel used in the specific serial communication with being present in wireless-communication-capable area.Exist Service channel carries out the communication of mode of unicast or multicast.Service channel for example for vehicle carried device 1 and trackside machine 2 transmitting-receiving with Information of offer (and enjoyment) correlation of defined service etc..
Here, as an example, mobile body communication system 100 possesses 4 service channels, is referred to as first service letter Road, second service channel, the 3rd service channel, the 4th service channel.Control channel and multiple service channels are all using difference Frequency realize.
For the sake of convenient, first service channel, second service channel, the 3rd service channel, the 4th service channel are respectively by suitable Sequence is carried out with first frequency, second frequency, the 3rd frequency, the 4th frequency, and control channel is carried out with the 5th frequency.First, secondth, Three, the four, the 5th frequencies are all to belong to 5.8GHz bands, the frequency of 5.9GHz bands.
In addition, in communication terminal, each service channel can by be set in the numbering (channel number) of the service channel come Difference.In addition, in addition to 5.8GHz bands, 5.9GHz bands, service channel, control channel, which can also be used, belongs to 2.4GHz bands Frequency is realized, the frequency for belonging to other frequency bands can also be used to realize.Also, when each channel can be used in same frequency Multiplexing technology is divided to realize.Illustrate the summary and the structure of trackside machine 2 and vehicle carried device 1 below.
(trackside machine 2)
Illustrate the summary of trackside machine 2 first.Trackside machine 2 and the car existed in the wireless-communication-capable area of the formation of trackside machine 2 Carry device 1 and implement road inter-vehicle communication, various information are issued to vehicle carried device 1, or obtain various information to implement regulation from vehicle carried device 1 Service.An example of the trackside machine 2 equivalent to service providing terminal.
Trackside machine 2 is set in the position of the service provided suitable for the trackside machine 2, for example can be in crosspoint, connection (such as parking lot, shop, charge road are specifically arranged in the midway of the road (so-called circuit) in crosspoint and crosspoint, turnover Road) gateway etc. set.In addition, the wireless-communication-capable area of trackside machine 2 is preferably formed into should provide service comprising trackside machine 2 The region that vehicle can pass through, and the region passed through without the vehicle for the simultaneously object of non-serving.
In addition, in present embodiment, vehicle carried device 1 is corresponded each other with carrying the vehicle of the vehicle carried device 1, in the master of action In the case that strictly speaking body or object are vehicle carried device 1, the vehicle for being equipped with the vehicle carried device 1 is suitably set to be used as the master of action Body or object, to illustrate structure and the action of present embodiment.The vehicle of service should be for example provided for trackside machine 2 is Finger should provide the vehicle carried device 1 (or user) of service, not be that the vehicle that should provide service refers to carry for trackside machine 2 For the vehicle carried device 1 (or its user) of service.
Such as trackside machine 2 is providing issue for aiding in cognition of the driver to the traffic on the periphery of trackside machine 2 In the case of the service (Traffic information demonstration service) of the information (driving assistance information) of judgement, crosspoint, road are arranged at Midway.Here driving assistance information refers to that the traffic congestion information on trackside machine periphery, trackside machine periphery turn into driver The presence or absence of the presence of vehicle, pedestrian, the barrier in region at dead angle etc. etc..Trackside machine periphery be using the position of trackside machine as The appropriately designed scope of benchmark.
In addition, being to issue the road only with the related driving assistance information of vehicle in a certain lanes in trackside machine 2 In the case of the machine of side, the wireless-communication-capable area, which is preferably formed into, does not cover other tracks.
In addition, trackside machine 2 is providing service (the clearing clothes of the service arranged as defined in progress, the clearing of the handing-over of commodity Business) in the case of, desired wireless-communication-capable area is formed about in the gateway arranged and is set.
There is provided and arranged using what the clearing of trackside machine 2 were serviced except various shops such as dining room, bank, cleaning shop, gas stations Outside, also pay parking etc..In addition, trackside machine 2 can also for example be respectively arranged at entrance and the outlet of toll road, use In to implementing corresponding using content (traveling interval, period etc.) with it using the vehicle of the toll road by road inter-vehicle communication Charging.Also, trackside machine 2 can also provide diagnosis vehicle carried device 1, be equipped with the vehicle carried device 1 vehicle abnormal service.
Trackside machine 2 using control channel gradually (such as every 100 milliseconds) broadcast WSA, for example for the WSA in the presence of coming from In the case of the response of vehicle carried device 1, service channel is begun to use to be communicated with the vehicle carried device 1.Then, believed by using service The communication in road receives and dispatches various information with vehicle carried device 1, so as to implement a series of processing for providing the various services such as clearing service.
As shown in figure 1, above-mentioned trackside machine 2 possesses trackside communication unit 21 and trackside control unit 22.Trackside communication unit 21 and road Side control unit 22 is connected in the way of it can be in communication with each other.
Trackside communication unit 21 possesses the antenna for the electric wave that can send and receive the first~the 5th frequency, via the day Line, with the implementation road inter-vehicle communication of vehicle carried device 1 existed in the wireless-communication-capable area that trackside machine 2 is formed.Trackside communication unit 21 will The signal received from vehicle carried device 1 is demodulated and exported to trackside control unit 22, and modulates the number inputted from trackside control unit 22 According to, and be converted to electric wave and send.
Trackside communication unit 21 possess the pattern of communication for implementing control channel, the pattern of the communication of service implementation channel this two Individual pattern.I.e. between vehicle carried device 1 using control channel communication and using service channel communicating pair all via The trackside communication unit 21 is carried out.
Fig. 2 is the concept map of an example of the flow for representing the communication that trackside machine 2 is implemented.As shown in Fig. 2 trackside machine 2 Switch every the defined time (such as 50 milliseconds) and implement the communication using control channel and the communication using service channel.This Outside, the switching for implementing the pattern of the communication of control channel and the pattern of the communication of service implementation channel can be according to from trackside The instruction of control unit 22 is performed.
Control channel duration Tc and service channel duration Ts can be suitably designed.In addition, respectively holding The continuous time can change dynamically as needed.Also, in the WSA for gradually being issued using control channel, receive and come from car Can be the mode for the communication for maintaining control channel before the response for carrying device 1.In addition, according to trackside machine (or according to service) Preset using which of the service channel of first service channel~the 4th service channel.Here it is set as that trackside machine 2 is used First service channel.
Trackside control unit 22 is made up of common computer, possesses the non-volatile memories such as known CPU, ROM, flash memory Bus (all omitting diagram) of the volatile memory such as device, RAM, I/O and connection said structure etc..
The trackside memory 22M that trackside control unit 22 possesses is non-volatile storage medium, such as by trackside control unit 22 flash memories possessed, ROM etc. are realized.Trackside memory 22M stores the program module, data, quilt for performing various processing Distribution is to the Termination ID of trackside machine 2 etc..In addition, the information (channel number etc.) of the service channel for the offer of service is also stored In trackside memory 22M.
As shown in figure 3, trackside control unit 22 possesses trackside communication control unit G1 and service processing portion G2 as in execution The functional module stated program module and realized.In addition, the function that trackside control unit 22 is performed is some or all in hardware On can be made up of one or more IC etc..
The action of trackside communication control unit G1 controls trackside communication unit 21, is controlled communication and the service channel of channel The switching of communication.Trackside communication control unit G1 generations are corresponding with the pattern of trackside communication unit 21 should be from trackside communication unit 21 The data of transmission, and it is sent from trackside communication unit 21.In addition, obtaining data that trackside communication unit 21 receives and being supplied to Service processing portion G2.
Trackside communication control unit G1 possesses trackside CCH communication processing sections G11 and trackside SCH communication processing sections G12 as more Tiny functional module.In addition, the CCH in each several part title refers to control channel (Control Channel), SCH refers to clothes Business channel (Service Channel).
Trackside CCH communication processing sections G11 is responsible for the control of the communication using control channel.That is trackside CCH communication process Portion G11 is equivalent to offer side control channel communication unit.Trackside CCH communication processing sections G11 generations should use what control channel was sent Data, send the data to trackside communication unit 21.In addition, trackside CCH communication processing sections G11 obtains trackside communication unit 21 in reality The data arrived using the received during communications of control channel are applied, and are supplied to service processing portion G2.
Such as trackside CCH communication processing sections G11 generates WSA corresponding with the service of this terminal offer, and makes it from trackside Communication unit 21 is sent.The WSA starts to use information equivalent to service.
Fig. 4 is the figure of an example of the structure for representing WSA.As shown in figure 4, WSA comprising head, class of service information, Utilize channel information and subject vehicle information.Head is to receive this for the communication terminal (i.e. vehicle carried device 1) in receiving side Data are identified as WSA information.Head can for example include the information of the version of expression WAVE specifications, distinguish WSA and be used for WAVE information of other message etc..
Class of service information is the information for the species for representing the service that the trackside machine 2 is provided.Class of service information is by advance The service ID that species according to service is set is represented.Class of service information of the WSA vehicle carried device 1 with reference to contained by the WSA is received, So as to determine the species of service corresponding with the WSA, i.e., the kind of the service provided as the trackside machine 2 of WSA issue source Class.
It is to represent the trackside machine 2 is utilized in the offer of service in the first~the 4th service channel clothes using channel information The information of the channel number of business channel.Vehicle carried device 1 utilizes channel information with reference to this, so as to determine the trackside machine 2 in service Offer when the service channel that utilizes.Using channel information equivalent to service channel information.
Subject vehicle information be the object that the offer for distinguishing the service as trackside machine 2 is provided vehicle carried device 1 (and Be equipped with the vehicle of the vehicle carried device 1), with not as object vehicle carried device 1 (and being equipped with the vehicle of the vehicle carried device 1) condition The information of (subject vehicle condition).In the present embodiment, as an example, subject vehicle information is denoted as service The information in the region (hereinafter referred to as service provision area) of the object of offer.
Service provision area can be appropriately designed the vehicle comprising the communication that should carry out the offer for service and pass through Region and the region that passes through of vehicle without the communication that should not carry out offer for service.It is used as subject vehicle information The information of service provision area can use latitude, coordinate data as longitude to represent its line of demarcation.The subject vehicle information Equivalent to object end message.
Trackside SCH communication processing sections G12 is responsible for the control of the communication using defined service channel.That is trackside SCH leads to Believe processing unit G12 equivalent to offer side service channel communication unit.For example generation should use the data that service channel is sent, and this is counted According to transmission to trackside communication unit 21.Implementing the received during communications using service channel in trackside communication unit 21 in addition, obtaining The data arrived, and it is supplied to service processing portion G2.
Service processing portion G2 is according to the information provided from trackside communication control unit G1, to the car in wireless-communication-capable area Carrying device 1, there is provided defined service (such as the service of settling accounts).In addition, in present embodiment, trackside machine 2 provides clothes to vehicle carried device 1 Vehicle or the passenger of the vehicle that business is also equipped with the vehicle carried device 1 comprising trackside machine 2 via 1 pair of vehicle carried device provide the side of service Formula.
(vehicle carried device 1)
Next, explanation vehicle carried device 1.Vehicle carried device 1 is receiving the feelings for the WSA for meeting defined condition via control channel Under condition, according to the WSA, start the communication with service channel as defined in the use of the trackside machine 2 of the issue source as the WSA.And And, various information are received and dispatched using the service channel and trackside machine 2, so as to enjoy the service of the trackside machine 2 offer.After, also will The communication for starting service channel as defined in the use with trackside machine 2 shows as opening service channel.
In addition, present embodiment is to implement the situation with the communication of the use service channel of a certain trackside machine 2 in vehicle carried device 1 Under in the communication with the trackside machine 2 according to the defined side for terminating the communication before formality terminates without other service channels Formula.In addition, defined end formality here is also contained in the situation for not having to return in the response certain time from trackside machine 2 The processing (timeout treatment) of lower end and the communication of the trackside machine 2.
In addition, vehicle carried device 1 is in the state of service channel as defined in being not turned on, control channel is received, or using any Service channel implements car inter-vehicle communication relative to other vehicle carried devices 1.
As shown in figure 1, vehicle carried device 1 possess control unit 11, narrow communication unit 12, wide-area communication portion 13, GNSS receiver 14, Acceleration transducer 15 and gyro sensor 16.Control unit 11 with can with narrow communication unit 12, wide-area communication portion 13, The mode that GNSS receiver 14, acceleration transducer 15 and gyro sensor 16 are in communication with each other respectively is connected.
Narrow communication unit 12 possesses the antenna for the electric wave that can send and receive the first~the 5th frequency, via the day Line, with other communication terminals (such as trackside machine 2) the implementation radio communication being present in wireless-communication-capable area.That is narrow communication unit 12 demodulate the signal received by antenna and export to control unit 11, and modulate the data inputted from control unit 11, and Be converted to electric wave and send.
Narrow communication unit 12 is identical with trackside communication unit 21, pattern and the service implementation for possessing the communication for implementing control channel The two patterns of the pattern of the communication of channel.The communication of the use control channel of vehicle carried device 1 and use service channel Two sides that communicate are carried out via the narrow communication unit 12.
In addition, from the communication of control channel to the switching of the communication of service channel and from the communication of service channel to control The switching of the communication of channel can be implemented according to the instruction from control unit 11.In addition, using as the communication of service channel Which of the service channel of one service channel~the 4th service channel can also be determined according to the instruction from control unit 11.
Wide-area communication portion 13 is connected with common communication line road network, carries out wide-area communication.The demodulation of wide-area communication portion 13 receives letter Number and be supplied to control unit 11, and be sequentially modulated the baseband signal inputted from control unit 11, connect to common communication line road network The defined communication terminal connect is sent to data.
GNSS receiver 14, which is received, to be come in comfortable GNSS (Global Navigation Satellite System) to use Satellite electric wave so that obtain represent GNSS receiver 14 current location data.It is current that GNSS receiver 14 is obtained Positional information can for example be represented with latitude and longitude.The positional information that GNSS receiver 14 is obtained is successively (such as every 100 millis Second) it is supplied to control unit 11.
Acceleration transducer 15 detects the acceleration along the fore-and-aft direction effect of this car.In addition, vehicle carried device 1 is passed with acceleration The detection direction mode consistent with the fore-and-aft direction of this car of the acceleration of sensor 15, this is installed on pre-determined posture Car.This car here refers to the vehicle for being equipped with vehicle carried device 1.In addition, acceleration transducer 15 is preferably to detect along before this car Rear is to, left and right directions and 3 axle acceleration sensors of the acceleration of mutually orthogonal 3 axial action of above-below direction.
Gyro sensor 16 detects the vertical around this car in the state of vehicle carried device 1 is mounted with pre-determined posture The angular velocity of rotation of axle.
Control unit 11 is made up of common computer, possesses the nonvolatile memories such as known CPU, ROM, flash memory, RAM Property memory, I/O are sent out Deng Play and connect bus (all omit diagram) etc. of said structure.
The memory 11M that control unit 11 possesses is non-volatile storage medium, the flash memory for example possessed by control unit 11, ROM etc. is realized.Memory 11M is stored for the program module for performing various processing, data, is allocated to the end of vehicle carried device 1 Hold ID etc..
In addition, representing that the data of the list (being designated as service list) for the service that vehicle carried device 1 can be utilized also are stored in this and deposited Reservoir 11M.The corresponding service ID of service list is with vehicle carried device 1 can be utilized service list etc..Vehicle carried device 1 can The service that passenger of the services package utilized containing this car, this car can utilize via vehicle carried device 1.Memory 11M is equivalent to service Storage part.
Judge as shown in figure 5, control unit 11 possesses narrow communication control unit F1, wide-area communication processing unit F2, type service Portion F3, judgement are with information acquiring section F4 and service object's determination unit F5 as execution said procedure module so as to the function of realizing Module.In addition, some or all of function that control unit 11 is performed can be by structures such as one or more IC on hardware Into.
The action of narrow communication control unit F1 controls narrow communication unit 12, is controlled communication and the service channel of channel The switching of communication.Should be logical from narrow in addition, narrow communication control unit F1 generations are corresponding with the pattern of narrow communication unit 12 The data that letter portion 12 is sent, and it is sent from narrow communication unit 12.Also, the data that narrow communication unit 12 is received are obtained, It is supplied to other functional modules (such as type service determination unit F3).
Narrow communication control unit F1 possesses CCH communication processing sections F11, SCH communication processing section F12 as more tiny function Module.In addition, the meaning of the CCH and SCH in the title in each portion are led to above-mentioned trackside CCH communication processing sections G11, trackside SCH Believe that processing unit G12 is identical.
CCH communication processing sections F11 is responsible for the communication process using control channel.That is the CCH communication processing sections F11 equivalent to Vehicle-mounted side control channel communication unit.CCH communication processing sections F11 for example generates the data that should be sent using control channel, and this is counted According to transmission to narrow communication unit 12.In addition, the data that control channel should be used to send can also be generated in other functional modules. In this case, CCH communication processing sections F11 performances obtain the Data Concurrent generated in the functional module and deliver to narrow communication unit 12 Effect.
In addition, CCH communication processing sections F11, which obtains narrow communication unit 12, is implementing the received during communications using control channel The data arrived.Such as the WSA that CCH communication processing sections F11 obtains the issue of trackside machine 2.
SCH communication processing sections F12 is responsible for the communication process using service channel.That is the SCH communication processing sections F12 equivalent to Vehicle-mounted side service channel communication unit.SCH communication processing sections F12 for example generates the data that should be sent using service channel, and this is counted According to transmission to narrow communication unit 12.Implementing to arrive using the received during communications of control channel in addition, obtaining narrow communication unit 12 Data.
The action in wide-area communication processing unit F2 control wide-area communications portion 13, obtains the data that wide-area communication portion 13 is received, And exported to wide-area communication portion 13 and send defined data.
Type service determination unit F3 is in the case where CCH communication processing sections F11 obtains WSA, according to being stored in memory 11M Service list, the class of service information (being service ID here) contained by the WSA, judge it is corresponding with the WSA service whether be The service that this terminal can be utilized.Here service corresponding with WSA represents that the issue source of the WSA is the clothes that trackside machine 2 is provided Business.
More specifically, type service determination unit F3 is registered in service list in the service ID contained by the WSA received In the case of, it is the service that this terminal can be utilized to judge service corresponding with the WSA.In addition, contained by the WSA received In the case that service ID is not registered in service list, judge that service corresponding with the WSA is not that this terminal can be utilized Service.
Judgement obtained with information acquiring section F4 for judge to be equipped with this terminal vehicle whether be and receive WSA pairs The information (hereinafter referred to as judgement information) of the vehicle of the object for the service answered.Present embodiment judges to use information acquiring section F4 roots According to the signal from inputs such as GNSS receiver 14, acceleration transducer 15, gyro sensors 16, successively (such as every 100 millis Second) detect the current location of this car as judgement information.
In addition, obtained according to the detected value amendment GNSS receiver 14 of acceleration transducer 15, gyro sensor 16 The method of positional information can be using known method.In addition, judgement can be passed with information acquiring section F4 according to acceleration The detected value of sensor 15, gyro sensor 16, independently infers current location.Also, judgement information acquiring section F4 can be Itself do not implement the processing for determining current location, but implement the position detector comprising GNSS receiver etc. and determine currently The calculation process of position simultaneously obtains the operation result and constituted.
Service object's determination unit F5 according to the current location of judgement information acquiring section F4 this car obtained, receive Whether subject vehicle information contained by WSA, it is the clothes provided as the trackside machine 2 of the WSA received issue source to judge this car The object of business.More specifically, in the case of (including line of demarcation) in service provision area in the current location of this car, judge This car is the object of the service of the offer of trackside machine 2 as the WSA received issue source.On the other hand, in the current of this car In the case that position is outside service provision area, judge that this car is provided not as the trackside machine 2 of the WSA received issue source Service object.
(WSA receives relevant treatment)
Next, using the flow chart shown in Fig. 6, illustrating that the WSA that control unit 11 is implemented receives relevant treatment.The WSA connects Receiving relevant treatment will be received this case that the WSA that sends from trackside machine 2 as triggering, and determining whether to begin to use is used to enjoy The service channel of the service provided by the trackside machine 2 is handled with the communication of the trackside machine 2.
Therefore, the flow chart shown in the Fig. 6 can start when CCH communication processing sections F11 receives WSA.On condition that At the time of starting the flow chart, vehicle carried device 1 is unreal grant other trackside machines 2 the service for being used to enjoy trackside machine offer it is logical Letter.That is the WSA receives relevant treatment in the case of without the communication with the use service channel of any trackside machine 2 is implemented, can To implement whenever WSA is received.
First, class of service information of the type service determination unit F3 according to contained by the WSA received and storage in step sl It is stored in memory 11M service list, judges whether service corresponding with the WSA is service that this terminal can be utilized.With In the case that the corresponding services of the WSA are not the service that this terminal can be utilized, step S1 is no, terminates this flow.Do not beat Open the service channel shown in WSA.
On the other hand, in the case where service corresponding with the WSA is the service that this terminal can be utilized, step S1 is It is to move to step S2.
The subject vehicle information extraction contained by WSA is moved to step S3 by service object's determination unit F5 in step s 2.In step Judgement obtains the current location of this car with information acquiring section F4 in rapid S3, moves to step S4.
In step s 4 service object's determination unit F5 according to the current location of judgement information acquiring section F4 this car obtained, With the subject vehicle information contained by WSA, judge whether this car is included in and carried as the trackside machine 2 of the WSA received issue source In the object of the service of confession.
Judging that this car is the object of the service of the WSA received issue source offer using service object's determination unit F5 In the case of, step S4 is yes, moves to step S5.On the other hand, judging that this car is not to receive using service object's determination unit F5 In the case of the object for the service that the WSA arrived issue source is provided, step S4 is no, terminates this flow.In this case, do not beat Open the service channel shown in the WSA received.
Narrow communication control unit F1 is started the use with trackside machine 2 and taken using the service channel shown in WSA in step s 5 The communication of business channel.
(action of present embodiment)
According to above-mentioned WSA receive relevant treatment, even if the class of service information contained by the WSA received be this terminal can The type service (step S1 is yes) utilized, in the case of subject vehicle condition is ungratified, the service letter shown in WSA is not opened Road (step S4 is no).More specifically, in the current location of this car not in the service provision area shown in subject vehicle information In the case of interior, the service channel shown in WSA is not opened.
Therefore, vehicle carried device 1 should not be received for original such as travelling on the WSA of vehicle in opposed track receiving In the case of WSA, the service channel shown in the WSA is not opened yet.In addition, the situation for receiving the original WSA that should not be received refers to The WSA sent from trackside machine 2 reaches the vehicle of the object for the offer for not being service such as the reflection by the car body of other vehicles Situation in region (i.e. outside service provision area) of traveling etc..
Certainly, the WSA that should not be received originally is and the corresponding WSA of the unwanted service of this car.Open and should not with original The corresponding service channels of WSA of reception refer to open the service channel for unwanted service.
In conventional structure, do not implement to determine whether to open service channel using subject vehicle information, but simple root Judge whether that the service channel shown in WSA should be opened according to the class of service information contained by WSA.Therefore, in conventional structure, exist Open the possibility of the service channel for unwanted service.
Relative to the conventional structure, the structure more than, even if receive the original WSA that should not be received and with the WSA Corresponding service is the service that this terminal can be utilized, and judges that this terminal is not the object of the service in service object's determination unit F5 In the case of, the service channel shown in the WSA is not opened yet.The opening of unwanted service channel can be suppressed.
Fig. 7 used below, illustrates the concrete example for playing the effect of present embodiment.Fig. 7 shows to possess provides knot respectively Two shops 3A, 3B for calculating trackside machine 2A, 2B of service are substantially right across the road containing two adjacent track L1A, L1B The scene existed with putting.
Shop 3A is present in the track L1A sides of road, and the trackside machine 2A of shop 3A management is in order to in track L1A travelings Vehicle provide clearing service trackside machine.In addition, shop 3B is present in the track L1B sides of road, the trackside of shop 3B management Machine 2B is the trackside machine that clearing service is provided to the vehicle travelled in track L1B.
The oval region representation trackside machine 2A impaled by the short dash line in figure wireless-communication-capable area 4A, is drawn by single-point The wireless-communication-capable area 4B for the oval region representation trackside machine 2B that line is impaled.In addition, by the region representation of long enclosed with dashed lines The trackside machine 2A of shop 3A management service provision area 5A, the trackside of the region representation shop 3B management impaled by double dot dash line Machine 2B service provision area 5B.In addition, so preferably distinguishing to avoid interference in the case of in multiple trackside machines 2 The service channel utilized is different channels.
Vehicle 61 is the vehicle for being equipped with vehicle carried device 1, is travelled on the L1B of track to shop 3B.The vehicle carried device 1 is by trackside Machine 2A clearing service and trackside machine 2B clearing service both sides are registered as the vehicle carried device 1 for the service that this terminal can be utilized.
As shown in fig. 7, trackside machine 2A wireless-communication-capable area 4A is formed as reaching that original not trackside machine 2A service is carried The track L1B of the vehicle traveling of the object of confession.In this case, the radio communication of trackside machine 2B formation is entered in vehicle 61 Before the 4B of region, into the wireless-communication-capable area 4A of trackside machine 2A formation.I.e. before the WSA that trackside machine 2B is sent is received, road is received The WSA that side machine 2A is sent.
Here, vehicle carried device 1 is not implemented to determine whether that service letter should be opened using subject vehicle information as conventional structure Road, but the simple class of service information according to contained by WSA judges whether that the situation of the service channel shown in the WSA should be opened Under, start the communication with trackside machine 2A use service channel.
However, trackside machine 2A is to provide the trackside machine 2 that the clearing of the vehicle as the object that will be travelled in track L1A are serviced, So for vehicle carried device 1, the service that trackside machine 2A is provided is not useful service (i.e. unwanted service).Therefore, car The service channel for unwanted service can be opened by carrying device 1.
In addition, in the case where vehicle carried device 1 once opens service channel, the nothing before defined sign off formality terminates Method opens other service channels.Therefore, because opening service channel corresponding with trackside machine 2A, worry original for vehicle 61 Useful starting with the communication of trackside machine 2B use service channel postpones or can not communicated.
For the problem, according to above-mentioned present embodiment, vehicle carried device 1 is serviced not only according to the WSA with receiving is corresponding Whether species is type service that this terminal can be utilized, always according to this car current location whether shown in subject vehicle information Service provision area in, to determine whether to open corresponding with WSA service channel.
For example under the situation shown in Fig. 7, the current location of vehicle 61 is outside trackside machine 2A service provision area 5A.Cause This, although the service that trackside machine 2A is provided is the service that this terminal can be utilized for vehicle carried device 1, but is not opened for profit With the service channel of the service.The service channel of opening unwanted service for vehicle carried device 1 can be suppressed.
Moreover, can suppress due to the service that is used to need originally caused by the service channel for opening unwanted service The opening delay of service channel or situation about can not open.
In addition, trackside machine 2A wireless-communication-capable area 4A is preferably formed into the vehicle with the object as service as described above The region (service provision area 5A) passed through is consistent.
However, due to a variety of causes, wireless-communication-capable area may not be formed as consistent with service provision area.Even if in addition, In the case that wireless-communication-capable area in design is consistent with service provision area, the vehicle travelled in wireless-communication-capable area Car body reflection etc., the situation in the outside of the wireless-communication-capable area on designing is reached there is also the WSA sent from trackside machine 2.
Due to such a variety of causes, in the case of the vehicle receiver WSA of the object of original and non-serving, the vehicle carried device 1 can also suppress to open the situation of unwanted service channel according to the WSA.
In addition, in the present embodiment, exemplified with using service provision area as subject vehicle information, service object sentences Current location that portion F5 obtains according to judgement information acquiring section F4 is determined whether in service provision area, so as to judge this terminal Whether be the service object mode.
However, this truck position that judgement information acquiring section F4 is obtained can include the error with this actual truck position.Example Number, reception letter such as in the case where GNSS receiver 14 can not receive the electric wave from GNSS satellite, from supplement satellite number Number the viewpoint such as SN ratios consider in the case of inferring the location precision not in defined allowed band, worry that service object judges Portion F5 according to mistake this truck position, judge this terminal whether be the service object.
Therefore, the precision in this truck position determined according to the reception situation of GNSS receiver 14 is unsatisfactory for defined benchmark In the case of, it is convenient to omit service object's determination unit F5 judgement, but judge according to conventional structure identical judgment standard Whether service channel is opened.
Above exemplified with embodiment, but embodiment is not limited to above-mentioned embodiment, and following variations can also It is embodiment, and various changes can also be carried out in addition to following.
The ＞ of ＜ variations 1
Above exemplified with using service provision area as subject vehicle information, vehicle carried device 1 is according to the current location of this car With the presence or absence of in deciding whether to open the mode of service channel, but not limited to this in service object region.It can also such as make Subject vehicle information is used as with the direct of travel for the vehicle for being equipped with vehicle carried device 1.In addition, the direct of travel of vehicle is equivalent to vehicle-mounted The moving direction of device 1.
The trackside machine 2 of the variation 1 gradually broadcast packet contain be denoted as service offer object vehicle traveling side To information as subject vehicle information WSA.
In addition, the judgement of variation 1 with information acquiring section F4 for example according to the testing result of gyro sensor 16, it is determined that The direct of travel of this car.Certainly, determine that the method for the direct of travel of this car is not limited thereto, it would however also be possible to employ known side Method.For example the direct of travel of this car can also be determined according to the time change of the current location of this car.
Moreover, direct of travel and this car shown in subject vehicle information of service object's determination unit F5 in the WSA received Direct of travel consistent (including substantially uniform) in the case of, it is the trackside of the issue source as the WSA received to judge this car The object for the service that machine 2 is provided.In addition, direct of travel and this car shown in subject vehicle information in the WSA received Direct of travel it is inconsistent in the case of, judge this car not as the WSA received issue source trackside machine 2 provide clothes The object of business.
In such mode, it can also play and above-mentioned embodiment identical effect.More specifically, using Fig. 8, Illustrate action and the effect of the variation 1.
Fig. 8 show along the track L21 of the road (such as super expressway) that possesses multiple track L21~26 be provided with order to To the trackside machine 2C of the vehicle issue driving assistance information travelled in track L21~23 situation.
White arrow in figure represents the direct of travel of each track L21~26, and track L21~23 are vehicles towards the right side in figure The track that skidding is sailed, the vehicle of track L24~26 is directed towards the track of the left driving in figure.The vehicle 62 that L24 is travelled in track It is to be equipped with the vehicle for the vehicle carried device 1 that Traffic information demonstration service registration is the service that this terminal can be utilized.
In addition, the wireless-communication-capable area 4C of the region representation trackside machine 2C by the elliptical shape of the enclosed with dashed lines in figure.Such as Shown in Fig. 8, trackside machine 2C wireless-communication-capable area 4C is formed as reaching track L24 and track L25.
Here, trackside machine 2C is to issue the trackside machine of driving assistance information to the vehicle in the traveling of track L21~23 2, so the driving assistance information of trackside machine 2C issues is useful information for the vehicle travelled in track L21~23.Change speech It, in the vehicle that the direct of travel track L24 opposite with track L21~23~25 are travelled, trackside machine 2C issues Driving assistance information is equivalent to unwanted information.
In above-mentioned condition, be equipped on the vehicle carried device 1 of vehicle 62 as conventional structure according only to WSA contained by service kind Category information judges whether in the case of should opening the service channel shown in the WSA, starts the use service channel with trackside machine 2C Communication.Obtain the driving assistance information of trackside machine 2C issues.
However, the driving assistance information of trackside machine 2C issues is the unwanted information of vehicle 62.That is what trackside machine 2C was provided Service is not useful service (i.e. unwanted service) for the vehicle carried device 1 for being equipped on vehicle 62.Therefore, the car of conventional structure The service channel for unwanted service can be opened by carrying device 1.
For it is such the problem of, in the structure of the variation 1, trackside machine 2C issue comprising represent to figure right side advance Vehicle be Traffic information demonstration service offer object subject vehicle information WSA.
Moreover, whether the vehicle carried device 1 of vehicle 62 is this terminal energy not only according to the corresponding type service of WSA with receiving The type service enough utilized, it is whether consistent with the direct of travel shown in subject vehicle information always according to the direct of travel of this car, come Determine whether to open service channel corresponding with the WSA.
More specifically, in the situation shown in Fig. 8, vehicle carried device 1 is according to the direct of travel of this car and subject vehicle information Shown direct of travel is inconsistent, and service channel corresponding with trackside machine 2C is not opened.I.e. vehicle carried device 1 is according to the WSA received It can suppress to open unwanted service channel.
However, disposal ability from trackside machine 2, from the viewpoint of the data transfer rate of service channel, can simultaneously with trackside machine The number of the vehicle carried device 1 of 2C wireless connections has the upper limit.If as shown in figure 8, vehicle travelled in track L24~25 etc. is present in The vehicle in the original region for not being communication object also communicates with trackside machine 2C, then worries the message capacity beyond trackside machine 2C.
However, as this variation, above-mentioned embodiment, subject vehicle information is imported, so as to limit Yao Yu roads The vehicle of side machine 2C communications, so the worry of the message capacity beyond trackside machine 2C can be reduced.
In addition, if using settle accounts service offer as purpose trackside machine 2, then the trackside machine 2 formed radio area Domain will not be so big, in the case of densely there is the vehicle for being equipped with vehicle carried device 1 in wireless-communication-capable area, beyond this The worry very little of the message capacity of trackside machine 2.However, it is assumed that the offer serviced with Traffic information demonstration is purpose trackside machine 2 Wireless-communication-capable area is more relatively large for the wireless-communication-capable area of purpose trackside machine 2 than with the offer for the service of settling accounts, and is accompanied by this, surpasses The worry for going out the message capacity of trackside machine 2 is also uprised.Expect to improve the road for forming relatively large wireless-communication-capable area Side machine 2 then more reduces the effect worried caused by importing subject vehicle information beyond message capacity.
The ＞ of ＜ variations 2
Above exemplified with use service provision area, vehicle direct of travel as subject vehicle information mode, but not It is limited to this.For example, it is also possible to which the travel speed using the vehicle for being equipped with vehicle carried device 1 is used as subject vehicle information.I.e. as pair As vehicle condition, the scope of the travel speed of the vehicle for the object that service is provided can be defined as.In addition, the traveling speed of vehicle Spend the translational speed equivalent to vehicle carried device 1.
The trackside machine 2 of the variation 2 gradually broadcast packet contain be denoted as service offer object vehicle traveling speed The information of the scope of degree as subject vehicle information WSA.
In addition, the judgement of variation 2 is for example integrated the detected value of acceleration transducer 15 with information acquiring section F4, so that Determine the travel speed of this car.Certainly, determine that the method for the travel speed of this car is not limited thereto, it would however also be possible to employ known Method.It can also will for example represent that the information of the current location of this car is stored in memory 11M in temporal sequence, according to every one The displacement fixed time determines the travel speed of this car.
Moreover, the scope of the travel speed shown in subject vehicle information of service object's determination unit F5 in the WSA received In the case of travel speed comprising this car, it is the clothes of the offer of trackside machine 2 as the WSA received issue source to judge this car The object of business.In addition, the scope of the travel speed shown in subject vehicle information in the WSA received does not include the traveling of this car In the case of speed, the object for the service that this car is provided not as the trackside machine 2 of the WSA received issue source is judged.
In such embodiment, it can also play and above-mentioned embodiment identical effect.More specifically, use Fig. 9, illustrates action and the effect of the variation 1.
Fig. 9 shows that the vehicle 63 for being equipped with vehicle carried device 1 will enter the situation along the road R1 parking lot 3D set.Parking Field 3D gateway 31 is towards road R1, and gateway 31 is provided with door 32.The gateway 31 nearby possesses offer and carried out and parking The trackside machine 2D of the clearing service of the clearing of time corresponding expense.The region representation trackside machine 2D of enclosed with dashed lines in figure nothing Line communication zone 4D.Wireless-communication-capable area 4D is formed as comprising the region desired by centered on gateway 31.
Vehicle 64 in figure is the vehicle travelled on road R1 before the 3D of parking lot with defined speed (such as 30km/h). Vehicle 63, vehicle 64 are equipped with vehicle carried device 1 respectively, and the trackside machine 2D clearing service registrations provided are by each vehicle carried device 1 The service that this terminal can be utilized.
In such a case, vehicle 63 will utilize parking lot 3D, so preferred open of the vehicle carried device 1 is based on trackside machine 2D The WSA of issue service channel.On the other hand, vehicle 64 does not utilize parking lot 3D under the situation shown in Fig. 9, so this is vehicle-mounted Device 1 does not preferably open the service channel based on the trackside machine 2D WSA issued.
However, it is assumed that general in the case where vehicle is from road R1 into parking lot 3D, vehicle is true for the safety of surrounding Recognize etc. and temporarily cease.If assuming the movement of such vehicle, near gateway 31, travel speed is changed into certain value (example Such as 10km/h) following vehicle is very high using the possibility of parking lot 3D vehicle.In addition, travel speed is more than certain value Vehicle be the vehicle for not utilizing parking lot 3D possibility it is of a relatively high.
Therefore, trackside machine 2D issues include the object for providing travel speed as service for the vehicle below certain value The WSA of subject vehicle information, so as to suppress need not to be used to implement the service channel of the vehicle carried device 1 of the communication of the service Open.That is the vehicle carried device 1 of vehicle 63 opens the service channel based on the trackside machine 2D WSA issued, and the vehicle carried device 1 of vehicle 64 is not Open the service channel based on the trackside machine 2D WSA issued.
I.e. by the structure of the above, vehicle carried device 1 can suppress to open unwanted service channel according to the WSA received. For example using in the vehicle that super expressway is travelled as the offer object of service in the case of, issue include by travel speed is changed into rule The WSA of the subject vehicle information for the object that vehicle more than fixed threshold value (such as 60km/h) is provided as service.Make Scope for the travel speed of the vehicle of the object of the offer of service can be according to the traveling of the hypothesis of the vehicle as object speed Degree is suitably designed.
The ＞ of ＜ variations 3
Above-mentioned various subject vehicle conditions can be combined as and use.For example, it can be set in service provision area And travel speed is the subject vehicle condition below certain value.Alternatively, it is also possible to for the condition of direct of travel and be directed to The conditional combination of travel speed.Can obtain the current location, travel speed and direct of travel of this car this 3 kinds of information successively In the way of judgement information acquiring section F4 is tackled various conditions according to aforesaid way.It is of course also possible to be to take successively Obtain any 2 kinds of mode in 3 kinds.
The ＞ of ＜ variations 4
Determined whether to open corresponding with WSA service channel according to WSA reception exemplified with being conceived to vehicle carried device 1 above Mode.However, service object's determination unit F5 result of determination can be used for judging whether to close the service letter once opening Road.
I.e. in the state of service channel as defined according to a certain WSA, opening, the state of this car is unsatisfactory for shown in the WSA Subject vehicle condition in the case of, SCH communication processing sections F12 closes the service channel.Here closing service channel refers to Implement defined sign off formality with the object lateral terminal of the communication using the service channel and terminate to be based on the service channel Communication.
The ＞ of ＜ variations 5
Above is the kind of the service corresponding with the service channel in the case where once opening service channel of vehicle carried device 1 How is class, and other service channel modes, but not limited to this can not be all opened before defined sign off formality terminates.For example Can also be only in the case where opening the service channel for the important defined service of stability for being used for the communications such as the service of settling accounts, The mode of other service channels can not be opened before defined sign off formality terminates.
The ＞ of ＜ variations 6
Above exemplified with mode of the trackside machine 2 as service providing terminal function, but not limited to this.For example can also Vehicle carried device 1 is used as service providing terminal.I.e. service providing terminal can also be the communication terminal used in moving body.
In addition, implement the mode of communication according to WAVE specification as an example exemplified with each communication terminal above, but Not limited to this.Each communication terminal can also implement communication according to other telecommunications metrics corresponding with WAVE.In this case, with The channel used in the actual communication for providing (and enjoyment) service is equivalent to service channel.In addition, being used for issue The channel for beginning to use the information (that is, WSA information) of the communication of the channel and using is equivalent to control channel.
Above exemplified with embodiments of the present invention, but embodiment is not limited to above-mentioned embodiment, can carry out each Plant and change.For example embodiment will also it wrap obtained from disclosed technical position is combined as in various embodiments It is contained in embodiments of the present invention.

Claims (7)

1. a kind of mobile body communication system, possesses：At least one car-mounted terminal (1) used in vehicle and above-mentioned vehicle-mounted end Implement radio communication so as to implement at least one of processing for providing defined service to above-mentioned car-mounted terminal a series of in end Service providing terminal (2), wherein,
Above-mentioned service providing terminal possesses：
Side service channel communication unit (G12) is provided, it uses some and above-mentioned car in pre-assigned multiple service channels Mounted terminal implements the communication for providing above-mentioned service；With
Side control channel communication unit (G11) is provided, it uses the pre-assigned control channel different from above-mentioned service channel, hair Cloth is used to begin to use the information of the communication of above-mentioned service channel that is, service starts to use information,
Above-mentioned service start with class of service information of the packet containing the species for representing above-mentioned service, receive the service start use The above-mentioned car-mounted terminal of information be used to determining to be used in multiple above-mentioned service channels above-mentioned service providing terminal with it is above-mentioned vehicle-mounted The service channel information of the above-mentioned service channel of the communication of terminal and be denoted as above-mentioned service object above-mentioned vehicle-mounted end The object end message of the condition at end,
Above-mentioned car-mounted terminal possesses：
Vehicle-mounted side control channel communication unit (F11), it is implemented using the logical with above-mentioned service providing terminal of above-mentioned control channel Letter, at least receives above-mentioned service and starts to use information；
Vehicle-mounted side service channel communication unit (F12), it is used in multiple above-mentioned service channels according to above-mentioned vehicle-mounted side control channel The above-mentioned service that communication unit is received starts the above-mentioned service channel determined with the above-mentioned service channel information contained by information, and upper State service providing terminal and implement communication；
Service memory portion (11M), it stores the species for the service that this terminal can be utilized；
Type service determination unit (F3), it starts according to above-mentioned service with the above-mentioned class of service information contained by information and above-mentioned The species for the service that this terminal of service memory portion storage can be utilized, judges the above-mentioned service that above-mentioned service providing terminal is provided Whether it is service that this terminal can be utilized；
Judge with information acquiring section (F4), it obtains judgement information, the judgement is with the information that information is for this terminal For judge this terminal whether be object as the above-mentioned service for above-mentioned service providing terminal above-mentioned vehicle-mounted end The information at end；And
Service object's determination unit (F5), it starts according to above-mentioned service with the above-mentioned object end message contained by information and above-mentioned The above-mentioned judgement information that judgement is obtained with information acquiring section, judge this terminal whether be as above-mentioned service object it is above-mentioned Car-mounted terminal,
Above-mentioned vehicle-mounted side service channel communication unit is determined as what above-mentioned service providing terminal was provided in above-mentioned type service determination unit Above-mentioned service is the service that this terminal can be utilized, and above-mentioned service object's determination unit is determined as that this terminal is as above-mentioned clothes In the case of the above-mentioned car-mounted terminal of the object of business, begin to use the logical with above-mentioned service providing terminal of above-mentioned service channel Letter,
And it is determined as that the above-mentioned service that above-mentioned service providing terminal is provided is not that this terminal can in above-mentioned type service determination unit In the case of the service utilized, or above-mentioned service object's determination unit is determined as this terminal not as the object of above-mentioned service In the case of above-mentioned car-mounted terminal, the communication with above-mentioned service providing terminal of above-mentioned service channel is not begun to use.
2. mobile body communication system according to claim 1, wherein,
Above-mentioned vehicle-mounted side service channel communication unit is believed using above-mentioned service being implemented with an above-mentioned service providing terminal In the case of the communication in road, before the sign off with the service providing terminal, do not start to provide eventually with other above-mentioned services The communication of the above-mentioned service channel of use at end.
3. mobile body communication system according to claim 2, wherein,
Above-mentioned object end message is region that is, the service for representing to provide that the above-mentioned car-mounted terminal of above-mentioned service can be present The information in region is provided,
Above-mentioned judgement obtains the current location of this terminal with information acquiring section as above-mentioned judgement information,
The current location of this terminal that above-mentioned service object's determination unit is obtained according to above-mentioned judgement with information acquiring section is located at above-mentioned This case in service provision area, it is the above-mentioned car-mounted terminal of the object as above-mentioned service to judge this terminal, in this terminal Current location in the case of outside above-mentioned service provision area, to judge this terminal not as the above-mentioned of the object of above-mentioned service Car-mounted terminal.
4. according to mobile body communication system according to any one of claims 1 to 3, wherein,
Above-mentioned object end message is to represent that the information of the moving direction of the above-mentioned car-mounted terminal of above-mentioned service should be provided,
Above-mentioned judgement obtains the moving direction of this terminal with information acquiring section as above-mentioned judgement information,
The moving direction of this terminal that above-mentioned service object's determination unit is obtained according to above-mentioned judgement with information acquiring section with it is above-mentioned right Consistent this case of moving direction as shown in end message, judge this terminal be as above-mentioned service object it is above-mentioned vehicle-mounted Terminal, in the case where the moving direction shown in the moving direction and above-mentioned object end message of this terminal is inconsistent, judges this Terminal not as the object of above-mentioned service above-mentioned car-mounted terminal.
5. according to mobile body communication system according to any one of claims 1 to 4, wherein,
Above-mentioned object end message is to represent that the information of the scope of the translational speed of the above-mentioned car-mounted terminal of above-mentioned service should be provided,
Above-mentioned judgement obtains the translational speed of this terminal with information acquiring section as above-mentioned judgement information,
The translational speed of this terminal that above-mentioned service object's determination unit is obtained according to above-mentioned judgement with information acquiring section is above-mentioned right In the range of translational speed as shown in end message this case, judge this terminal be as above-mentioned service object it is above-mentioned Car-mounted terminal, in the translational speed situation not in the range of the translational speed shown in above-mentioned object end message of this terminal Under, judge above-mentioned car-mounted terminal of this terminal not as the object of above-mentioned service.
6. the mobile body communication system according to any one of claim 3~5, wherein,
Implement to use the communication of above-mentioned service channel in above-mentioned vehicle-mounted side service channel communication unit and above-mentioned service providing terminal Period,
Above-mentioned service object's determination unit gradually judges whether the above-mentioned judgement information that above-mentioned judgement is obtained with information acquiring section is full Foot starts with upper contained by information as the above-mentioned service of the triggering of the communication for the above-mentioned service channel of use for starting currently to carry out The condition that object end message is represented is stated,
It is above-mentioned that above-mentioned vehicle-mounted side service channel communication unit judges that above-mentioned judgement is unsatisfactory for information in above-mentioned service object's determination unit In the case of condition, terminate the communication with the above-mentioned service channel of use of the service providing terminal.
7. a kind of car-mounted terminal (1), by implementing with providing service providing terminal (2) the implementation radio communication of defined service A series of processing for enjoying above-mentioned service, wherein, possess：
Vehicle-mounted side control channel communication unit (F11), it is implemented and above-mentioned service providing terminal using pre-assigned control channel Communication, receive since above-mentioned service providing terminal issue service use information；With
Vehicle-mounted side service channel communication unit (F12), it uses the pre-assigned multiple service letters different from above-mentioned control channel Some in road, implements to communicate with above-mentioned service providing terminal,
Above-mentioned service starts with type service of the packet containing the species for representing the above-mentioned service that above-mentioned service providing terminal is provided Information, above-mentioned car-mounted terminal are used to determine to be used in above-mentioned service providing terminal and above-mentioned vehicle-mounted end in multiple above-mentioned service channels The service channel information of the above-mentioned service channel of the communication at end and be denoted as above-mentioned service object communication terminal bar The object end message of part,
Above-mentioned car-mounted terminal is also equipped with：
Service memory portion (11M), it stores the species for the service that this terminal can be utilized；
Type service determination unit (F3), it starts according to above-mentioned service with the above-mentioned class of service information contained by information and above-mentioned The species for the service that this terminal of service memory portion storage can be utilized, judges the above-mentioned service that above-mentioned service providing terminal is provided Whether it is service that this terminal can be utilized；
Judge with information acquiring section (F4), it obtains judgement information, the judgement is with the information that information is for this terminal For judge this terminal whether be object as the above-mentioned service for above-mentioned service providing terminal communication terminal Information；And
Service object's determination unit (F5), it starts according to above-mentioned service with the above-mentioned object end message contained by information and above-mentioned The above-mentioned judgement information that judgement is obtained with information acquiring section, judge this terminal whether be object as above-mentioned service communication Terminal,
Above-mentioned vehicle-mounted side service channel communication unit is determined as what above-mentioned service providing terminal was provided in above-mentioned type service determination unit Above-mentioned service is the service that this terminal can be utilized, and above-mentioned service object's determination unit is determined as that this terminal is as above-mentioned clothes In the case of the communication terminal of the object of business, begin to use in multiple above-mentioned service channels and to be started to use information institute according to above-mentioned service The communication with above-mentioned service providing terminal for the above-mentioned service channel that the above-mentioned service channel information contained is determined,
And it is determined as that the above-mentioned service that above-mentioned service providing terminal is provided is not that this terminal can in above-mentioned type service determination unit In the case of the service utilized, or above-mentioned service object's determination unit is determined as this terminal not as the object of above-mentioned service In the case of communication terminal, do not begin to use in multiple above-mentioned service channels and to be started according to above-mentioned service with above-mentioned contained by information The communication with above-mentioned service providing terminal for the above-mentioned service channel that service channel information is determined.
CN201580066219.4A 2014-12-26 2015-12-17 Mobile communication system and in-vehicle terminal Active CN107005812B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2014-264418 2014-12-26
JP2014264418A JP6421594B2 (en) 2014-12-26 2014-12-26 Mobile communication system, in-vehicle terminal
PCT/JP2015/006299 WO2016103660A1 (en) 2014-12-26 2015-12-17 Mobile communication system and vehicle-mounted terminal

Publications (2)

Publication Number Publication Date
CN107005812A true CN107005812A (en) 2017-08-01
CN107005812B CN107005812B (en) 2020-03-06

Family

ID=56149723

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201580066219.4A Active CN107005812B (en) 2014-12-26 2015-12-17 Mobile communication system and in-vehicle terminal

Country Status (6)

Country Link
US (1) US10419873B2 (en)
JP (1) JP6421594B2 (en)
CN (1) CN107005812B (en)
DE (1) DE112015005802B4 (en)
SG (1) SG11201703524TA (en)
WO (1) WO2016103660A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112019312A (en) * 2019-05-31 2020-12-01 中兴通讯股份有限公司 Service processing method and device and Internet of vehicles equipment

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6406193B2 (en) * 2015-09-17 2018-10-17 株式会社デンソー Communication device
US10403144B1 (en) * 2017-05-08 2019-09-03 Open Invention Network Llc Mobile device transport parking notification and movement tracking
US9892642B1 (en) 2017-05-08 2018-02-13 Open Invention Network Llc Mobile device transport parking notification and movement tracking
WO2022019214A1 (en) * 2020-07-21 2022-01-27 パナソニックＩｐマネジメント株式会社 Vehicle-mounted device, road-side device, and communication method

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004089008A1 (en) * 2003-03-28 2004-10-14 Fujitsu Limited Radio comunication system
JP2005050248A (en) * 2003-07-31 2005-02-24 Matsushita Electric Ind Co Ltd Automatic charge collecting system and on-vehicle unit
US20050208924A1 (en) * 2004-03-17 2005-09-22 Shigeo Ohaku System for enabling a high-speed moving vehicle to communicate with base stations
CN101099407A (en) * 2005-06-15 2008-01-02 丰田自动车株式会社 Vehicle information communication system, management server, on-vehicle device, and vehicle information communication method
CN101217474A (en) * 2007-01-04 2008-07-09 美国凹凸微系有限公司 Vehicular system and its data processing method
CN102081861A (en) * 2009-11-30 2011-06-01 富士通天株式会社 On-vehicle device and recognition support system
US20110261785A1 (en) * 2010-04-27 2011-10-27 Tae Soo Kwon Communication method of a vehicular mobile terminal, a macro base station, a neighbor micro base station, and a serving micro base station in a multi-cell group
CN103458523A (en) * 2012-06-01 2013-12-18 北京大学 Vehicle-mounted communication system wireless resource scheduling method
JP2014131236A (en) * 2012-12-28 2014-07-10 Mitsubishi Heavy Ind Ltd Vehicle communication system, on-vehicle apparatus, program, and communication method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050148347A1 (en) 2003-03-28 2005-07-07 Kazuyoshi Nagai Wireless communication system
US20050050248A1 (en) * 2003-08-29 2005-03-03 Dennis York Portable electronic instrument with field-replaceable battery/input/output module
JP5050888B2 (en) * 2008-02-05 2012-10-17 株式会社デンソー Road-to-vehicle wireless communication system, roadside device, and in-vehicle device
JP2009212771A (en) * 2008-03-04 2009-09-17 Mitsubishi Electric Corp Road side device and onboard unit
JP4941414B2 (en) * 2008-06-26 2012-05-30 株式会社デンソー Road-to-vehicle wireless communication system, roadside device, and vehicle-mounted device
JP5240092B2 (en) * 2009-06-24 2013-07-17 パナソニック株式会社 OBE and channel determination method
US8731470B2 (en) 2010-03-09 2014-05-20 Stmicroelectronics, Inc. Operation procedures for interoperable safety and non-safety communications in wireless environments
KR101338479B1 (en) 2010-06-11 2013-12-10 한국전자통신연구원 Apparatus and method for allocating channel in wave
CN103415082B (en) 2013-08-09 2017-02-08 北京邮电大学 Vehicle-mounted wireless communication channel access method, base station unit and vehicle-mounted mobile terminal

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004089008A1 (en) * 2003-03-28 2004-10-14 Fujitsu Limited Radio comunication system
JP2005050248A (en) * 2003-07-31 2005-02-24 Matsushita Electric Ind Co Ltd Automatic charge collecting system and on-vehicle unit
US20050208924A1 (en) * 2004-03-17 2005-09-22 Shigeo Ohaku System for enabling a high-speed moving vehicle to communicate with base stations
CN101099407A (en) * 2005-06-15 2008-01-02 丰田自动车株式会社 Vehicle information communication system, management server, on-vehicle device, and vehicle information communication method
CN101217474A (en) * 2007-01-04 2008-07-09 美国凹凸微系有限公司 Vehicular system and its data processing method
CN102081861A (en) * 2009-11-30 2011-06-01 富士通天株式会社 On-vehicle device and recognition support system
US20110261785A1 (en) * 2010-04-27 2011-10-27 Tae Soo Kwon Communication method of a vehicular mobile terminal, a macro base station, a neighbor micro base station, and a serving micro base station in a multi-cell group
CN103458523A (en) * 2012-06-01 2013-12-18 北京大学 Vehicle-mounted communication system wireless resource scheduling method
JP2014131236A (en) * 2012-12-28 2014-07-10 Mitsubishi Heavy Ind Ltd Vehicle communication system, on-vehicle apparatus, program, and communication method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112019312A (en) * 2019-05-31 2020-12-01 中兴通讯股份有限公司 Service processing method and device and Internet of vehicles equipment
WO2020238880A1 (en) * 2019-05-31 2020-12-03 中兴通讯股份有限公司 Method and apparatus for service processing and internet of vehicles device

Also Published As

Publication number Publication date
JP2016127318A (en) 2016-07-11
DE112015005802B4 (en) 2021-10-28
JP6421594B2 (en) 2018-11-14
WO2016103660A1 (en) 2016-06-30
US10419873B2 (en) 2019-09-17
US20180279068A1 (en) 2018-09-27
SG11201703524TA (en) 2017-06-29
DE112015005802T5 (en) 2017-10-12
CN107005812B (en) 2020-03-06

Similar Documents

Publication Publication Date Title
CN107005812A (en) Mobile body communication system, car-mounted terminal
CN105321362B (en) A kind of intelligent coordinated passing method of intersection vehicles
CN107444401A (en) Vehicle control system, Traffic Information Sharing system, control method for vehicle and program
US9870003B2 (en) Driverless vehicle
US8311730B2 (en) Vehicle position determination system
CN107161178B (en) A kind of automatic tracking system and method for suspension train position in rolling stock section
US11080996B2 (en) Dynamic traffic control systems
CN104240535B (en) The method coordinated for the operation to motor vehicle
CN105745131B (en) Travel controlling system, server, car-mounted device
CN110375764A (en) Lane change reminding method, system, vehicle and storage medium
CN110356402A (en) Controller of vehicle, control method for vehicle and storage medium
CN106233812A (en) Vehicle communication terminal and mobile body communication system
CN108535685A (en) Moving body control system
KR101687818B1 (en) Vehicle, communicating method thereof and wireless communication apparatus therein
US6523787B2 (en) Method and device for controlling a train
CN109297505A (en) AR air navigation aid, car-mounted terminal and computer readable storage medium
CN106991725A (en) Region freeway net vehicle running path analytical equipment and analysis method
CN105973248A (en) Navigation system
JP4591044B2 (en) Car radio
CN107209262A (en) Radar for vehicle method and system
CN107967816A (en) Car-mounted terminal, parking stall shared system, parking stall determine method and device
CN106981211A (en) Restricted information informing device and method
CN207425119U (en) Determine the device of following vehicle and car-mounted terminal and vehicle
CN110234961A (en) By gate determination device, vehicle control system, pass through gate determining method and program
CN107464436A (en) Information processing method and device based on vehicle sub-clustering

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant